Conjugación del verbo inglés
MUST FLUTTER

Verbo regular: flutter - fluttered - fluttered

Afirmación

Forma simple	Forma con V-ing
I must flutter you must flutter she must flutter we must flutter you must flutter they must flutter	I must be fluttering you must be fluttering she must be fluttering we must be fluttering you must be fluttering they must be fluttering
Perfecto	Perfecto con V-ing
I must have fluttered you must have fluttered she must have fluttered we must have fluttered you must have fluttered they must have fluttered	I must have been fluttering you must have been fluttering she must have been fluttering we must have been fluttering you must have been fluttering they must have been fluttering

Negación

Forma simple	Forma con V-ing
I mustn't flutter you mustn't flutter she mustn't flutter we mustn't flutter you mustn't flutter they mustn't flutter	I mustn't be fluttering you mustn't be fluttering she mustn't be fluttering we mustn't be fluttering you mustn't be fluttering they mustn't be fluttering
Perfecto	Perfecto con V-ing
I mustn't have fluttered you mustn't have fluttered she mustn't have fluttered we mustn't have fluttered you mustn't have fluttered they mustn't have fluttered	I mustn't have been fluttering you mustn't have been fluttering she mustn't have been fluttering we mustn't have been fluttering you mustn't have been fluttering they mustn't have been fluttering

Forma interrogativa

Forma simple	Forma con V-ing
must I flutter? must you flutter? must she flutter? must we flutter? must you flutter? must they flutter?	must I be fluttering? must you be fluttering? must she be fluttering? must we be fluttering? must you be fluttering? must they be fluttering?
Perfecto	Perfecto con V-ing
must I have fluttered? must you have fluttered? must she have fluttered? must we have fluttered? must you have fluttered? must they have fluttered?	must I have been fluttering? must you have been fluttering? must she have been fluttering? must we have been fluttering? must you have been fluttering? must they have been fluttering?

Forma interro-negativa

Forma simple	Forma con V-ing
mustn't I flutter? mustn't you flutter? mustn't she flutter? mustn't we flutter? mustn't you flutter? mustn't they flutter?	mustn't I be fluttering? mustn't you be fluttering? mustn't she be fluttering? mustn't we be fluttering? mustn't you be fluttering? mustn't they be fluttering?
Perfecto	Perfecto con V-ing
mustn't I have fluttered? mustn't you have fluttered? mustn't she have fluttered? mustn't we have fluttered? mustn't you have fluttered? mustn't they have fluttered?	mustn't I have been fluttering? mustn't you have been fluttering? mustn't she have been fluttering? mustn't we have been fluttering? mustn't you have been fluttering? mustn't they have been fluttering?